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STPV系统中辐射吸收器热分析及优化 被引量:1

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摘要 对太阳能热光伏系统中的能量吸收装置进行了数值模拟,研究了太阳光不平行度对其聚光性能的影响,对不同入口条件下辐射器空腔内的流场分布及壁面温度进行了对比,发现在开口系统中,空气自然对流对辐射器壁温有很大影响,从开口处泄漏的空气会带走壁面及辐射器空腔中的热量,使得壁面温度降低,从而减小了电池的输出功率.最后提出在辐射器开口处布置一种优化设计的选择性薄膜,可减少辐射损失,有效提高辐射器温度及系统输出电功率.
出处 《中国科学(E辑)》 CSCD 北大核心 2009年第10期1757-1765,共9页 Science in China(Series E)
基金 江苏省自然科学基金重点项目(批准号:BK2007726)资助
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